import java.util.List;

/**
 * @description:
 * @Author: wuzhenbin
 * @CreateTime: 2025/2/17
 */
public class leetcode_54 {
    public static void main(String[] args) {

    }
    private static int[][] target = new int[][]{{1,0},{0,-1},{-1,0},{1,0}};

}
